aker.2i3.net has no NS records.
NS records for this zone are defined at 2i3.net.
NS records for this zone are defined at 2i3.net.
Question and response
Question
dig aker.2i3.net. NS
Answer
The response has no answer records.
Authority
2i3.net. 900 SOA ns-431.awsdns-53.com. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0